diff --git a/emacs/.emacs.d/init.org b/emacs/.emacs.d/init.org
index c566f67..a05ca56 100644
--- a/emacs/.emacs.d/init.org
+++ b/emacs/.emacs.d/init.org
@@ -361,6 +361,15 @@ Computing Environment".
       (defalias 'yes-or-no-p 'y-or-n-p)
     #+END_SRC
 
+*** Show any matching parenthesis
+
+    When working in Lisp code (but other code as well) it can be very
+    handy to see which parenthesis the one near the cursor matches.
+
+    #+BEGIN_SRC emacs-lisp
+      (show-paren-mode)
+    #+END_SRC
+
 * Theme
 
   Load my personal theme. I sometimes change it to a different theme,